Headphone



FIG. 1 is a perspective view of a headphone in accordance with the design;

FIG. 2 is a front view of the headphone of the design;

FIG. 3 is a rear view of the headphone of the design;

FIG. 4 is a left side view of the headphone of the design;

FIG. 5 is a right side view of the headphone of the design;

FIG. 6 is a top plan view of the headphone of the design;

FIG. 7 is a bottom plan view of the headphone of the design;

FIG. 8 is another perspective view of the headphone of the design;

FIG. 9 is only a supplementary figure to FIG. 1 for reference, with surface shading added therein to replace some broken lines for representing changes in contour of the cushions of the headphone; and,

FIG. 10 is only a supplementary figure to FIG. 8 for reference, with surface shading added therein to replace some broken lines for representing changes in contour of the cushions of the headphone.

The broken lines depict portions of the headphone in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for a headphone, as shown and described. 